TIPC 2,2',6,6'-Tetraisopropyldiphenylcarbodiimide Lab Grade

Lab-grade TIPC is a high-purity version of 2,2',6,6'-Tetraisopropyldiphenylcarbodiimide for research peptide synthesis, explicitly covered by HTS 2925.19.30.00 as a named aromatic imide-function compound under Chapter 29.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2925.19Same rate: 35%

If for lab-grade variants of other aromatic carbodiimides

Unnamed aromatic imides, even lab-grade, fall under the broader 'other' category in this subheading.

2930.90Lower: 13.7% vs 35%

If containing directly linked sulfur impurities

Chapter notes move organo-sulfur compounds to 2930 if sulfur is directly carbon-linked beyond imide function.

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Import Tips & Compliance

Label with GHS pictograms for skin irritant and acute toxicity; ensure end-user statement for research use to avoid commercial misclassification; use nitrogen-purged containers

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